/* Go Exchange — goexch.it.com
   Theme: premium black + gold | Fonts: Sora (head) + Figtree (body) */

:root{
  --gold:#E7B008; --gold-2:#F6CC4B; --gold-deep:#B8860B;
  --bg:#0C0D12; --bg-2:#12131A; --bg-3:#181A23; --bg-4:#20222D;
  --line:rgba(255,255,255,.09); --line-2:rgba(247,204,75,.24);
  --text:#EDEDF2; --muted:#A2A3AE; --muted-2:#7C7E8A;
  --green:#1FB56A; --green-2:#27d17c; --danger:#E5484D; --wa:#25D366;
  --shadow:0 20px 50px -20px rgba(0,0,0,.7);
  --radius:16px; --radius-sm:11px; --maxw:1140px;
  --head:'Sora',system-ui,Segoe UI,Arial,sans-serif;
  --body:'Figtree',system-ui,Segoe UI,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);background:var(--bg);color:var(--text);
  line-height:1.7;font-size:17px;overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 88% -8%,rgba(231,176,8,.10),transparent 60%),
    radial-gradient(700px 500px at -6% 8%,rgba(31,181,106,.06),transparent 55%);
  background-attachment:fixed;
}
h1,h2,h3,h4{font-family:var(--head);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.3rem);margin-bottom:.5em}
h3{font-size:clamp(1.2rem,2.4vw,1.45rem)}
p{margin:0 0 1.05rem}
a{color:var(--gold-2);text-decoration:none;transition:.18s}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0 0 1.1rem 1.25rem}
li{margin-bottom:.5rem}
strong{color:#fff;font-weight:700}
section{padding:70px 0}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.gold{color:var(--gold-2)}
.center{text-align:center}
.eyebrow{font-family:var(--head);font-size:.78rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);display:inline-block;margin-bottom:.7rem}
.lead{font-size:1.12rem;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--head);font-weight:600;
  font-size:.98rem;padding:.82rem 1.5rem;border-radius:60px;cursor:pointer;border:1px solid transparent;
  transition:.2s;text-align:center;white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1300;
  box-shadow:0 10px 26px -10px rgba(231,176,8,.7)}
.btn-gold:hover{color:#1a1300;transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(231,176,8,.85)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2);background:rgba(247,204,75,.06)}
.btn-wa{background:var(--wa);color:#03260f}
.btn-wa:hover{color:#03260f;transform:translateY(-2px);filter:brightness(1.06)}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-lg{padding:1rem 1.9rem;font-size:1.05rem}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:60;background:rgba(9,10,15,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand img{height:40px;width:auto}
.nav-links{display:flex;align-items:center;gap:.35rem;list-style:none;margin:0}
.nav-links a{color:var(--text);font-family:var(--head);font-weight:500;font-size:.93rem;
  padding:.5rem .8rem;border-radius:9px}
.nav-links a:hover,.nav-links a.active{color:var(--gold-2);background:rgba(247,204,75,.07)}
.nav-cta{display:flex;gap:.5rem;align-items:center}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;
  width:44px;height:42px;cursor:pointer;flex-direction:column;gap:5px;justify-content:center;align-items:center}
.burger span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
@media(max-width:960px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:var(--bg-2);flex-direction:column;
    align-items:stretch;gap:0;padding:12px;border-bottom:1px solid var(--line);
    transform:translateY(-140%);transition:.28s;max-height:calc(100vh - 70px);overflow:auto}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.9rem 1rem;border-radius:10px}
  .nav-cta .btn-ghost{display:none}
  .burger{display:flex}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding:76px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero h1 span{background:linear-gradient(120deg,var(--gold-2),var(--gold));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.hero p{font-size:1.14rem;color:var(--muted);max-width:33ch}
.hero-cta{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.4rem}
.hero-stats{display:flex;gap:26px;margin-top:2.2rem;flex-wrap:wrap}
.hero-stats .n{font-family:var(--head);font-size:1.7rem;font-weight:700;color:var(--gold-2)}
.hero-stats .l{font-size:.82rem;color:var(--muted);letter-spacing:.04em}
.hero-card{background:linear-gradient(160deg,var(--bg-3),var(--bg-2));border:1px solid var(--line);
  border-radius:22px;padding:8px;box-shadow:var(--shadow);position:relative}
.hero-card img{border-radius:16px;width:100%;object-fit:cover;aspect-ratio:4/3}
.hero-badge{position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);
  background:var(--bg-4);border:1px solid var(--line-2);border-radius:60px;padding:.5rem 1.1rem;
  font-family:var(--head);font-weight:600;font-size:.85rem;color:var(--gold-2);white-space:nowrap}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero p{max-width:none}}

/* ---------- Cards / grid ---------- */
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g-3,.g-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}
.card{background:linear-gradient(165deg,var(--bg-2),rgba(18,19,26,.4));border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;transition:.22s}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(247,204,75,.1);border:1px solid var(--line-2);color:var(--gold-2);
  font-size:1.35rem;margin-bottom:14px}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.98rem;margin-bottom:0}
.pic-card{padding:8px;overflow:hidden}
.pic-card img{border-radius:11px;aspect-ratio:16/10;object-fit:cover;width:100%}
.pic-card .cap{padding:14px 12px 8px}
.pic-card h3{font-size:1.12rem;margin-bottom:.2rem}
.pic-card p{font-size:.9rem}

/* ---------- Section head ---------- */
.sec-head{max-width:660px;margin:0 auto 42px;text-align:center}
.sec-head p{color:var(--muted)}
.panel{background:linear-gradient(165deg,var(--bg-2),rgba(18,19,26,.35));border:1px solid var(--line);
  border-radius:var(--radius);padding:34px}

/* ---------- Steps ---------- */
.steps{counter-reset:s;display:grid;gap:16px}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px}
.step::before{counter-increment:s;content:counter(s);flex:none;width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;font-family:var(--head);font-weight:700;color:#1a1300;
  background:linear-gradient(135deg,var(--gold-2),var(--gold))}
.step h3{font-size:1.08rem;margin-bottom:.25rem}
.step p{margin-bottom:0;color:var(--muted);font-size:.96rem}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;min-width:460px;font-size:.96rem}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--bg-3);font-family:var(--head);font-weight:600;color:var(--gold-2);font-size:.9rem}
tr:last-child td{border-bottom:0}
td{color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-family:var(--head);font-weight:600;font-size:1.03rem;
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-2);font-size:1.4rem;transition:.2s;flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{color:var(--gold-2)}
.faq .a{padding:0 22px 20px;color:var(--muted)}
.faq .a p{margin-bottom:.7rem}

/* ---------- Forms ---------- */
.auth{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media(max-width:880px){.auth{grid-template-columns:1fr}}
.form-card{background:linear-gradient(165deg,var(--bg-2),var(--bg-3));border:1px solid var(--line-2);
  border-radius:20px;padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--head);font-weight:500;font-size:.9rem;margin-bottom:7px}
.field input,.field select{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
  border-radius:11px;padding:.85rem 1rem;font-family:var(--body);font-size:1rem;transition:.18s}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(231,176,8,.16)}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:52px}
.pw-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;
  color:var(--muted);cursor:pointer;font-size:1.15rem;padding:6px 8px;border-radius:8px}
.pw-toggle:hover{color:var(--gold-2)}
.meter{height:6px;border-radius:6px;background:var(--bg-4);margin-top:9px;overflow:hidden}
.meter i{display:block;height:100%;width:0;border-radius:6px;transition:.3s;background:var(--danger)}
.meter-label{font-size:.8rem;color:var(--muted);margin-top:6px;display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted);margin:6px 0 18px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--gold);flex:none}
.form-note{font-size:.85rem;color:var(--muted-2);text-align:center;margin-top:14px}
.alt-line{text-align:center;margin-top:16px;font-size:.92rem;color:var(--muted)}

/* ---------- Tools ---------- */
.tool{background:linear-gradient(165deg,var(--bg-2),var(--bg-3));border:1px solid var(--line-2);
  border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.tool-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;border-bottom:1px solid var(--line);padding-bottom:16px}
.tool-tab{font-family:var(--head);font-weight:600;font-size:.9rem;padding:.6rem 1rem;border-radius:10px;
  border:1px solid var(--line);background:var(--bg);color:var(--muted);cursor:pointer;transition:.18s}
.tool-tab.active{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1300;border-color:transparent}
.tool-panel{display:none}.tool-panel.active{display:block}
.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.tool-row{grid-template-columns:1fr}}
.tool-out{margin-top:20px;background:var(--bg);border:1px solid var(--line-2);border-radius:14px;padding:20px}
.tool-out .big{font-family:var(--head);font-size:2rem;font-weight:700;color:var(--gold-2)}
.out-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center}
@media(max-width:520px){.out-grid{grid-template-columns:1fr}}
.out-grid .k{font-size:.78rem;color:var(--muted);letter-spacing:.03em;text-transform:uppercase}
.out-grid .v{font-family:var(--head);font-size:1.5rem;font-weight:700;color:var(--text);margin-top:3px}
.gauge{height:14px;border-radius:8px;background:var(--bg-4);overflow:hidden;margin:14px 0}
.gauge i{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--gold),var(--danger))}
.tool-hint{font-size:.85rem;color:var(--muted-2);margin-top:14px}

/* ---------- Callouts ---------- */
.note{border-left:3px solid var(--gold);background:rgba(247,204,75,.06);border-radius:0 12px 12px 0;
  padding:16px 20px;margin:22px 0}
.note.green{border-color:var(--green);background:rgba(31,181,106,.07)}
.note.red{border-color:var(--danger);background:rgba(229,72,77,.07)}
.note p:last-child{margin-bottom:0}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.pill{font-size:.82rem;font-family:var(--head);font-weight:500;padding:.4rem .9rem;border-radius:50px;
  border:1px solid var(--line-2);color:var(--gold-2);background:rgba(247,204,75,.05)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,rgba(231,176,8,.14),rgba(31,181,106,.08));
  border:1px solid var(--line-2);border-radius:24px;padding:44px;text-align:center;margin:20px 0}
.cta-band h2{margin-bottom:.4rem}
.cta-band p{color:var(--muted);max-width:52ch;margin:0 auto 1.4rem}

/* ---------- Author / trust ---------- */
.author{display:flex;gap:16px;align-items:center;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;margin:26px 0}
.author .av{width:56px;height:56px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  display:grid;place-items:center;font-family:var(--head);font-weight:700;color:#1a1300;font-size:1.3rem}
.author .m{font-size:.92rem;color:var(--muted)}
.author .m strong{display:block;color:var(--text);font-family:var(--head);margin-bottom:2px}

/* ---------- TOC ---------- */
.toc{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin:28px 0}
.toc h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
.toc ul{columns:2;column-gap:28px;margin:0;list-style:none}
.toc li{margin-bottom:8px}
@media(max-width:560px){.toc ul{columns:1}}

/* ---------- Article ---------- */
.article h2{margin-top:2.2rem}
.article h3{margin-top:1.6rem;margin-bottom:.4rem;color:var(--gold-2)}
.article ul li::marker{color:var(--gold)}

/* ---------- Footer ---------- */
.site-foot{background:#08090D;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;margin-bottom:36px}
@media(max-width:760px){.foot-top{grid-template-columns:1fr}}
.foot-top img{height:40px;margin-bottom:14px}
.foot-top p{color:var(--muted);font-size:.93rem;max-width:38ch}
.foot-col h4{font-family:var(--head);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px}
.foot-col a{display:block;color:var(--muted);font-size:.93rem;margin-bottom:9px}
.foot-col a:hover{color:var(--gold-2)}
.age-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--danger);color:#ff9a9d;
  border-radius:50px;padding:.35rem .8rem;font-family:var(--head);font-weight:700;font-size:.8rem;margin-top:12px}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;align-items:center;font-size:.85rem;color:var(--muted-2)}
.foot-bottom a{color:var(--muted)}
.gamble-line{background:#050609;text-align:center;font-size:.82rem;color:var(--muted-2);padding:14px 20px;
  border-top:1px solid var(--line)}
.gamble-line strong{color:var(--gold-2)}

/* ---------- Float WA ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:70;width:56px;height:56px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.6);
  color:#03260f;font-size:1.6rem;transition:.2s}
.wa-float:hover{transform:scale(1.08);color:#03260f}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.85rem;color:var(--muted-2);padding:22px 0 0}
.crumb a{color:var(--muted)}
.page-head{padding:40px 0 10px;text-align:center}
.page-head .lead{max-width:60ch;margin:.4rem auto 0}

.reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}